<template>
  <div class="icons">
      <swiper :options="swiperOption">
        <swiper-slide v-for="(page,index) of pages" :key="index">
            <div class="icon" v-for="item in page" :key="item.id">
                <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgUrl">
                </div>
                <p class="icon-desc">{{item.desc}}</p>
            </div>
        </swiper-slide>
      </swiper>
  </div>
</template>

<script>
export default {
    name:'Icons',
    props:{
        iconList:Array
    },
    data(){
        return{
            swiperOption: {
                pagination: '.swiper-pagination',
                autoplay:false
            },
        }
    },
    computed:{
        pages(){
            const pages=[]
            this.iconList.forEach((item,index) => {
                const page = Math.floor(index/8)
                if(!pages[page]){
                    pages[page]=[]
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
@import "~@/assets/styles/varibles.styl"
@import "~@/assets/styles/mixins.styl"
.icons >>> .swiper-container
    height 0
    padding-bottom 50%
.icons
    margin-top .1rem
    .icon
        position relative
        overflow hidden
        float left
        width 25%
        height 0
        padding-bottom 25%
        .icon-img
            position absolute
            top 0
            left 0
            right 0
            bottom 0.44rem
            box-sizing border-box
            padding .1rem
            .icon-img-content
                display block
                margin 0 auto
                height 100%
        .icon-desc
            position absolute
            left 0
            right 0
            bottom 0
            height .44rem
            line-height .44rem
            color $darkTextColor
            text-align center
            ellipsis()
</style>